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4 Environmental Analysis <br /> 4.3 Air Quality <br /> Table 4.3-1. State and Federal Ambient Air Quality Standards <br /> California Standards'/ Federal StandardS21 <br /> Pollutant Averaging Time Concentration3l Method4/ Primary3/,5/ Secondary 3/,6/ .. <br /> 1 Hour 0.09 ppm — <br /> Ozone (180 pg/m3) Ultraviolet Same as Primary Ultraviolet Photometry <br /> 8 Hour 0.070 ppm Photometry 0.070 ppm Standard <br /> (137 pg/m3) (147 pg/m3) <br /> Respirable 24 Hour 50 pg/m3 150 pg/m3 <br /> Particulate Annual Arithmetic Gravimetric or Beta Same as Primary Inertial Separation and <br /> Matter 20 pg/m3 Attenuation — Standard Gravimetric Analysis <br /> (PM10) Mean <br /> Fine 24 Hour 35 /m u9 3 Same as Primary <br /> Particulate — — Standard Inertial Separation and <br /> Matter Annual Arithmetic 12 pg/m3 Gravimetric or Beta 12 pg/m3 15 pg/m3 Gravimetric Analysis <br /> (PM2.5) Mean Attenuation <br /> 1 Hour 20 ppm 35 ppm — <br /> (23 mg/m3) (40 mg/m3) <br /> Non-dispersive <br /> Carbon <br /> a ox de 8 Hour 9.0 pm(10 mgpm3) Infrared Photometry 9 ppm(10 mg/m3) — NDIR <br /> (NDIR) <br /> 8 Hour 6 ppm <br /> (Lake Tahoe) (7 mg/m3) <br /> 1 Hour 0.18 ppm 100 ppb _ <br /> Nitrogen (339 pg/m3) Gas Phase (188 pg/m3) Gas Phase <br /> Dioxide(NO2)" Annual Arithmetic 0.030 ppm Chemiluminescence 0.053 ppm Same as Primary Chemiluminescence <br /> Mean (57 pg/m3) (100 pg/m3) Standard <br /> 1 Hour 0.25 ppm 75 ppb — <br /> (655 pg/m3) (196 pg/m3) <br /> 0.5 ppm Ultraviolet <br /> 3 Hour — — ( <br /> Sulfur Dioxide Ultraviolet 1300 pg/m3) Fluorescence; <br /> (SO2)9/ 24 Hour 0.04 ppm Fluorescence 0.14 ppm — Spectrophotometry <br /> (105 pg/m3) (365 pg/m3)9 (Pararosaniline <br /> 0.30 ppm Method) <br /> Annual Arithmetic — (for certain — <br /> Mean <br /> areas)9 <br /> 30 Day Average 1.5 pg/m3 — <br /> Lead(Pb)1°�,11/ Atomic Absor tion pg/M3 Calendar Quarter — p (or certain Same as Primary High Volume Sampler <br /> areas)9 Standard and Atomic Absorption <br /> Visibility Beta Attenuation and <br /> Reducing 8 Hour See footnote 12 Transmittance <br /> Particles12/ through Filter Tape <br /> Sulfates 24 Hour 25 pg/m3 Ion Chromatography <br /> No National Standards <br /> Hydrogen 0.03 ppm Ultraviolet <br /> Sulfide 24 Hour (42 pg/m3) Fluorescence <br /> Vinyl 24 Hour 0.01 ppm Gas <br /> Chloride1 / (26 pg/m3) Chromatography <br /> Source:California Air Resources Board(http://www.arb.ca.gov/research/aaqs/aags2.pdf,updated 05/04/16),USEPA(http://www.epa.gov/air/criteria.html, <br /> accessed November 2022) <br /> pg/m3–microgram per cubic meter;ppb–part per billion;ppm–part per million <br /> 1/California standards for ozone,carbon monoxide(except Lake Tahoe),sulfur dioxide(1 and 24 hour),nitrogen dioxide,suspended particulate matter(PM,o <br /> and PM2.5),and visibility reducing particles are values that are not to be exceeded.All others are not to be equaled or exceeded.California ambient air quality <br /> standards are listed in the Table of Standards in Section 70200 of Title 17 of the California Code of Regulations. <br /> 2/National standards(other than ozone,particulate matter,and those based on annual arithmetic mean)are not to be exceeded more than once per year. <br /> The ozone standard is attained when the fourth-highest 8-hour concentration in a year,averaged over 3 years,is equal to or less than the standard.For PM,o, <br /> the 24-hour standard is attained when the expected number of days per calendar year with a 24-hour average concentration above 150 pg/m3 is equal to or less <br /> Griffith Energy Storage Project 4.3-7 Tetra Tech/SCH 2022120675 <br /> Draft Environmental Impact Report August 2023 <br />